1641610967 has 8 divisors (see below), whose sum is σ = 1744642800. Its totient is φ = 1539297664.

The previous prime is 1641610939. The next prime is 1641610973. The reversal of 1641610967 is 7690161461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1641610967 - 2¹² = 1641606871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641610937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174917 + ... + 184062.

It is an arithmetic number, because the mean of its divisors is an integer number (218080350).

Almost surely, 2^1641610967 is an apocalyptic number.

1641610967 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1641610967 is a deficient number, since it is larger than the sum of its proper divisors (103031833).

1641610967 is a wasteful number, since it uses less digits than its factorization.

1641610967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359265.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1641610967 is about 40516.7985778738. The cubic root of 1641610967 is about 1179.6597139535.

The spelling of 1641610967 in words is "one billion, six hundred forty-one million, six hundred ten thousand, nine hundred sixty-seven".